summaryrefslogtreecommitdiff
path: root/Build/source/libs/libpng/pngwutil.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/libpng/pngwutil.c')
-rw-r--r--Build/source/libs/libpng/pngwutil.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/Build/source/libs/libpng/pngwutil.c b/Build/source/libs/libpng/pngwutil.c
index e108c61064e..314bea20d1c 100644
--- a/Build/source/libs/libpng/pngwutil.c
+++ b/Build/source/libs/libpng/pngwutil.c
@@ -523,9 +523,10 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
png_ptr->zlib_window_bits = 15;
if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_METHOD))
png_ptr->zlib_method = 8;
- deflateInit2(&png_ptr->zstream, png_ptr->zlib_level,
+ if (deflateInit2(&png_ptr->zstream, png_ptr->zlib_level,
png_ptr->zlib_method, png_ptr->zlib_window_bits,
- png_ptr->zlib_mem_level, png_ptr->zlib_strategy);
+ png_ptr->zlib_mem_level, png_ptr->zlib_strategy) != Z_OK)
+ png_error(png_ptr, "zlib failed to initialize compressor");
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
/* libpng is not interested in zstream.data_type */